package com.basic.technology.study.introduction.thread.keyword;

public class VolatileTest {

    public static volatile int race = 0;

    public static void increase(){
        race++;
    }

    private static final  int THREADS_COUNT = 20;

    public static void main(String[] args) {
        Thread[] threads = new Thread[THREADS_COUNT];
        for (int i = 0; i < THREADS_COUNT; i++) {
            threads[i] = new Thread(new Runnable() {
                @Override
                public void run() {
                    for (int j = 0; j < 10000; j++) {
                        increase();
                    }
                }
            });
            threads[i].start();
        }

        while(Thread.activeCount() > 2){
            Thread.yield();
        }
        System.out.println(race);
    }


}
